Surface profile determination of phase shift masks by inverse scatterometry

dc.contributor.authorByrne, Dale M.en_US
dc.contributor.authorReed, Jeffrey Alan, 1961-en_US
dc.contributor.authorAI Assaad, Rayan M., 1977-en_US
dc.contributor.sponsorEric Jonsson School of Engineering and Computer Science.en_US
dc.date.accessioned2013-06-03T19:04:32Z
dc.date.available2013-06-03T19:04:32Z
dc.date.created2003en_US
dc.date.issued2013-06-03
dc.description"Supported by a donation from Photronics, Inc. Allen, Texas."
dc.description.abstractThis report describes research conducted by Research Associate Jeffrey A. Reed and graduate student Rayan AI Assaad under the direction of Dr. Dale M. Byrne, at the University of Texas at Dallas. The period of investigation extended from September 1, 2002 to January 15,2003. The research and results reported here were directed toward the problem of determining the surface relief profile of phase-shift masks using the analysis technique that was developed by Byrne et al.1 The goal was to determine the accuracy that resulted when scatterometric data were processed using the above stated technique. Further investigations were made into the effect of "second surface interactions"; specifically how the second surface interactions affected the data collected by a scatterometer. These investigations were quite enlightening in that they produced rather negative results; hence further investigations were undertaken to develop methods to circumvent the problems created by the second surface interactions. In Section II we describe the general scatterometric configuration and provide an overview of the analysis technique of Byrne et a1. 1 We illustrate the technique using simulated scatterometric data derived from a structure that represents a phase-shift mask. At the conclusion of Section II we simulate the effect of a "second surface interaction." In Section III we discuss one method to eliminate the effects of "second surface interactions" so that their effect on scatterometric data is removed. We then consider the consequences of this method as they relate to some basic design parameters of scatterometric instrumentation.en_US
dc.identifier.bibliographicCitationByrne, D. M., J. A. Reed and R. M. AI Assaad. 2003. :Surface Profile Determination of Phase Shift Masks by Inverse Scatterometry." The University of Texas at Dallas.en_US
dc.identifier.seriesNumberEE03-2003en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/2664
dc.publisherThe University of Texas at Dallasen_US
dc.relation.isPartOfTechnical Report (University of Texas at Dallas. Department of Electrical Engineering)en_US
dc.rightsCC BY 3.0 (Attribution)en_US
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en_US
dc.subjectScatterometryen_US
dc.subjectPhase shift masksen_US
dc.subjectSurface interactionsen_US
dc.titleSurface profile determination of phase shift masks by inverse scatterometryen_US
dc.typeTexten_US
dc.type.genreTechnical reporten_US

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